<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <input type="text" placeholder="去输入1-100的数字" v-model="number">
  <input type="button" value="猜一猜" @click="f()">
  <h1>{{info}}</h1>
</div>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.min.js"></script>
<script>
  let x = parseInt(Math.random()*100) + 1;
  let v = new Vue({
    el:"div",
    data:{
      number:"",
      info:"",
    },
    methods:{
      f(){
        if(v.number>x){
          v.info = "猜大了";
        }else if (v.info<x){
          v.info = "猜小了";
        }else{
          v.info = "猜对了";
        }
      }
    }
  })
</script>
</body>
</html>